Strata externum
[医] 外层
🧩 词语组成解析
strata
['streitə]
n. 地层;岩层( stratum的名词复数 );地层;社会阶层;
🗣️ 情景例句
What do you often do in your spare time?
你在业余时间都干些啥？
More worship the rising than the setting sun.
人都向旭日膜拜，不向夕阳顶礼。
Goodbye!
再见！